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JPL Small-Body Database Browser
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831 Stateira (A916 SD)
Classification: Main-belt Asteroid          SPK-ID: 2000831
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463432059353727 3.9429e-08  
a 2.212251330691221 5.6024e-09 au
q 1.888503378623074 8.8389e-08 au
i 4.836152576296486 3.7251e-06 deg
node 178.0692654433133 4.4611e-05 deg
peri 225.1829516392914 4.5886e-05 deg
M 30.50883157280171 1.0336e-05 deg
tp 2458498.647146897723
(2019-Jan-15.14714690)
3.4452e-05 TDB
period 1201.849603100111
3.29
4.5654e-06
1.25e-08
d
yr
n .2995383108430521 1.1378e-09 deg/d
Q 2.535999282759369 6.4222e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2292  
   data-arc span      37434 days (102.49 yr)  
   first obs. used      1916-09-20  
   last obs. used      2019-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44236  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:14:43  

Additional Information
 Earth MOID = .899801 au 
 Jupiter MOID = 2.85063 au 
 T_jup = 3.638 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0   n/a MPO416712  
diameter diameter 7.218 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 861. h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Polakis, T. (2019) Minor Planet Bull. 46, 78-80.]
geometric albedo albedo 0.257   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

831 Stateira (A916 SD)          Discovered 1916-Sep-20 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A916 SD = 1926 VA = 1949 SQ = 1949 UO1 = 1971 KZ = 1972 RV1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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